Putter head



FIG. 1 is a top plan view of a putter head;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear perspective view thereof;

FIG. 5 is a toe perspective view thereof; and,

FIG. 6 is a heel perspective view thereof. 

The ornamental design for a putter head, as shown and described. 